December weather forecastHinkley, CA
December
Weather in December
December, the first month of the winter in Hinkley, is still a cool month, with an average temperature fluctuating between 54.3°F (12.4°C) and 38.7°F (3.7°C).Temperature
December stands out as Hinkley's coldest month, with an average high-temperature of 54.3°F (12.4°C) and a low-temperature of 38.7°F (3.7°C).Humidity
January and December, with an average relative humidity of 48%, are the most humid months in Hinkley.Rainfall
The month with the most rainfall is December, when the rain falls for 5.6 days and typically aggregates up to 0.55" (14mm) of precipitation.Snowfall
In Hinkley, snow does not fall in February through October and December.Daylight
The month with the shortest days in Hinkley is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:37 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:47 pm PST.
Sunshine
The average sunshine in December in Hinkley is 7.2h.UV index
November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hinkley, CA
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in December: 38.7°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure in December
Hinkley, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Hinkley, CA
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in December
Hinkley, CA
- Average humidity in December: 48%
The months with the highest relative humidity are January and December (48%).
The month with the lowest relative humidity is August (23%).
Average rainfall in December
Hinkley, CA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
Hinkley, CA
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is December (5.6 days).
The month with the least rainy days is June (0.2 days).
Average snowfall in December
Hinkley, CA
- Average snowfall in December: 0"
The month with the highest snowfall is November (0.39").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Hinkley, CA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hinkley, CA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 12min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in December
Hinkley, CA
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is June (29.8 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in December
Hinkley, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Hinkley, CA
- Average cloud cover in December: 19
The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in December
Hinkley, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
